ehcache 自定义缓存删除（evictionAdvisor）

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ehcache 自定义缓存删除（evictionAdvisor）

 

 

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注意事项

 

evictionAdvisor不适用于clustered store

Eviction advisors are not used for clustered storage tiers. 
For example, in a cache with a heap tier and clustered storage tier, the heap tier will use the eviction advisor 
but the clustered storage tier will evict independently, irrespective of the eviction advisor. 
The description below applies to using an eviction advisor for the cache tiers other than a clustered storage tier.

 

使用自定义的evictionAdvisor会降低缓存清除速度

Please keep in mind that configuring an eviction advisor can slow down eviction: 
the more often you advise against eviction, the harder the cache has to work to evict an element when room is required.

 

如果要删除的缓存被evictionAdvisor拒绝多次，缓存管理器可能会绕过evctionAdvisor直接删除对应的缓存数据

 After a certain time, if a cache determines that the configured eviction advisor rejected too many eviction candidates, 
the cache can decide